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Georgia [21]
4 years ago
10

Which best describes a chain reaction associated with a nuclear reaction?

Physics
1 answer:
mojhsa [17]4 years ago
8 0
I think fission chain reaction is the correct answer.
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4. You bought a block of cheddar from the grocery store. If you cut a small piece and a large piece from the same block of chees
ANEK [815]
Yes, as density is a value which is the same for any substance and does not change due to different volumes or masses of the same substance
3 0
3 years ago
The mass of a satellite in geostationary orbit is 1,847 kg. The mass of Earth is 5.97*1024 kg. Because of the force Earth exerts
ozzi

Answer:

411.88 N

Explanation:

Given that:

mass of satellite m = 1847 kg

mass of the earth M = 5.97 × 10²⁴ kg

centripetal acceleration a = 0.223 m/s²

The magnitude of the force exerted by the earth on the satellite = the centripetal force that is being exerted by the satellite.

∴

m \dfrac{v^2}{r} = G \dfrac{mM}{r^2}

ma = G \dfrac{mM}{r^2}

G \dfrac{mM}{r^2}= 1847 \times 0.223

G \dfrac{mM}{r^2}= 411.88 \ N

5 0
3 years ago
A shell if fired from the ground with an initial velocity of 1,700 m/s at an initial angle of 55 degrees to the horizontal. Negl
Triss [41]

Answer:

Therefore the horizontal range = 294897.96 m.

Explanation:

Range of a projectile: The range is defined as the horizontal distance from the point of projection to the point where the projectile hit the projection plane again. The S.I unit of range is Meter (m).

It can be expressed mathematically as

R = u²sin2∅/g............................. Equation 1

Where R = Horizontal range, ∅ = angle of projection, u = initial velocity, g = acceleration due to gravity.

<em>Given: u = 1700 m/s, </em>∅ = 55°,

Constant: g = 9.8 m/s²

Substituting these values into equation 1

R = (1700²sin55)/9.8

R = 2890000/9.8

R = 294897.96 m.

Therefore the horizontal range = 294897.96 m.

8 0
3 years ago
Why is brainly so dumb? I am currently trying to get into my account right now, and even though I JUST changed it, it keeps sayi
MrRa [10]

Answer:

That happens to me a few times.

Are you sure you are on Brainly.com and not Brainly.Ly?

8 0
3 years ago
Read 2 more answers
How long does it take long a light from the sun to reach the earth if it travels a distance of 1.5 × 10^11m? (velocity of light
mojhsa [17]

Answer:

Therefore, light travelling at 3.0x10^8 meters per second takes 500 seconds (8 minutes, 20 seconds) to reach the Earth, which is 1.5x10^11 meters away from the sun

Explanation:

7 0
3 years ago
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